header {
  width: 100%;
  width: 100%;
  position: fixed;
  z-index: 1;
  top: 0;
  li {
    padding: 10px;
  }
}

main {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  .list {
    padding: 20px;

    li {
      border: 1px solid #ffc107;
      line-height: 2;
      /* padding: 10px; */
      width: 20%;
      border-radius: 10px;
      overflow: hidden;

      /* 确保子元素不会溢出圆角边界 */
      span {
        font-size: 14px;
      }
    }
  }
}

main .list li span:nth-child(2) {
  font-weight: bolder;
}

main .list li span:nth-child(3) {
  color: #ffc107;
  font-weight: bolder;
}

main .list li span:nth-child(4) {
  color: #999;
  font-size: 10px;
  text-decoration: line-through;
  font-weight: normal;
}

main .list li span:nth-child(5) {
  color: red;
  font-weight: bolder;
}

.ok {
  width: 100%;
  text-align: center;
  color: #fff;
  background-color: #ffc107;
}

body {
  font-family: Arial, sans-serif;
}

.member-benefits {
  margin: 0 auto;
  padding: 20px;
}

.member-benefits h2 {
  color: #333;
  font-size: 16px;
}

.member-benefits ol {
  list-style-type: decimal;
}

.member-benefits li {
  line-height: 1.5;
  margin-top: 10px;
  font-size: 12px;
  color: #666;
}

.coupon {
  padding: 15px 20px;
}
.coupon span {
  color: #999;
}

.points {
  padding: 15px 20px;
}
.points span {
  color: #999;
}

.validity {
  padding: 15px 20px;
}
.validity span {
  color: #999;
}

.tips {
  padding: 5px 20px;
}
.tips p {
  color: #999;
  font-size: 13px;
  line-height: 1.5;
}

.amount {
  position: fixed;
  bottom: 0;
  padding: 15px 20px;
  height: 50px;
}

footer {
  width: 100%;
  position: fixed;
  z-index: 1;
  bottom: 0;
}

.next-step {
  padding: 10px 50px;
  background-color: #ffc107;
  border: none;
  border-radius: 5px;
}
